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Toshiba NTDVT006BK manual

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Table of contents for the manual

  • Page 1

    TOSHIBA Ser vice T raining "Customer Satisfaction Through Knowledge" T OSHIB A DVD SER VICE GUIDE "In Touch With Tomorrow" T OSHIB A AMERICA CONSUMER PR ODUCTS, INC. NTDVT006BK T OSHIB A AMERICA CONSUMER PRODUCTS, INC.NA TIONAL SER VICE DIVISION NA TIONAL TRAINING DEP ARTMENT 1420-B T OSHIB A DRIVE LEB ANON, TN 37087[...]

  • Page 2

    T OSHIB A DVD SER VICE GUIDE Copyright © 1997 T OSHIBA AMERICA CONSUMER PRODUCTS, INC.NA TIONAL SER VICE DIVISION NA TIONAL TRAINING DEP ARTMENT 1420-B T OSHIBA DRIVE LEBANON, TN 37087[...]

  • Page 3

    CONTENTS INTRODUCTION 1. This book supplements video tape NTDVT006, T oshiba DVD Servicing. It covers the mechanical disassembly and reassembly of a DVD player , and how to diagnose a problem to the board level. For more detailed information and drawings refer to service manual 810-9601. For connector locations and pin identification, refer to the [...]

  • Page 4

    the 2 self tapping screws on the back panel. 7. Remove the top portion of the shield and set it aside. 8. Unclip the wires leading to the power supply . 9. Lift the main board and remove the bottom portion of the shield. Then rest the main board in the built-in holders. 10. Align the notch in the board with the bottom of the built-in holder to avoi[...]

  • Page 5

    7. Retract the 2 screws on either side of the motor pulley . 8. T urn the mechanical assembly over and release the 3 tabs holding the loading motor PC board. 9. Lift the pc board out of the mechanical assembly and gently detach the flex cable. 10. The laser slide assembly is replaced as a whole; however , the feed motor , 3 gears, and 2 hall switch[...]

  • Page 6

    portion of the lever . 1 1. Push the slider back and forth to confirm the operation of the opening and closing gears. 12. Replace the 2 screws holding the loading motor in place. 13. Replace the loading belt. 14. Slide the lift assembly into place, and replace the 2 holding screws. 15. Manually operate the tray loading and lift mechanisms to ensure[...]

  • Page 7

    left and right analog audio. In the right position you get left and right analog audio and no AC-3 audio. If you change the position of the audio selector switch, you must cycle the power so the change is recognized by the microprocessor . 5. Be sure the video selector switch on the SD3006 is in the proper position when you check out the video outp[...]

  • Page 8

    tween the 2 boards occur during low transi- tions. 4. Using pin 7 as the reference, monitor the clock signal on pin 6 of CN602. There are eleven negative clock pulses during 1 low cycle of the FSTBX signal. 5. Check the DSPSO signal on pin 5 of CN602. This is the serial information going to the front panel. 6. Check the DSPSI signal on pin 4 of CN6[...]

  • Page 9

    to check the operation of the signal. If the signal is missing or improper , the main board is most likely at fault. 4. Play a CD and check the tracking error signal at TP507 5. Check for a focus or tracking problem at pins 1, 2, 3, and 4 of CN501. These are the focus and tracking drive signals going to the laser slide assembly . Y ou should see an[...]

  • Page 10

    attempt at the drive signal coming on. 20. Check the feedback from the spindle motor hall switches by monitoring pins 9 through 13 and pin 15 while cycling power and playing a disc in times 8 scan. 21. Check the spindle motor hall switches manu- ally by rotating the spindle motor with your finger while monitoring pins 9 through 13 and pin 15. 22. T[...]

  • Page 11

    CN80 1 CN50 1 CN30 2 CN50 2 CN50 3 CN602 In dicates Pin One MAIN BOARD CO MPO N EN T SID E (CN3 02 - SD30 0 6 Only) CN801 1 NC 2 EVER 5V 3 POW ER ON 4 +5V 5 +9V 6 +8V 7 +5V 8 +3V 9 GND 10 GND 11 GND 12 -24V 13 F- 14 F+ CN502 1 FMP 2 FMN 3 ADL 4 GND 5 HO2N 6 HO1N 7 HO1P 8 HO2P 9 V+ 10 W+ 11 U+ 12 W- 13 V- 14 H- 15 U- 16 H+ 17 U 18 V 19 W CN302 1 Y/R[...]